1 Samuel 30:15

So David asked him, "Will you take me down to this band [of raiders]?" He said, "Swear to me by God that you will not kill me and that you will not deliver me into my master's hand! Then I will take you down to this band."

Deuteronomy 23:15-16

"And you shall not hand over a slave to his master who has escaped [and fled] to you from his master.

Joshua 2:12

So then please swear to me by Yahweh, because {I have shown loyalty to you}, and {you will also show loyalty} {to my family}. You must give me a sign of good faith,

Joshua 9:15

And Joshua made peace with them, and {he made a covenant with them} to allow them to live happily, and the leaders of the congregation swore [an oath] to them.

Joshua 9:19-20

But all the leaders of the congregation said, "We have sworn to them by Yahweh the God of Israel, and so we cannot touch them.

1 Samuel 29:6

So Achish called David and said to him, "{As Yahweh lives}, certainly you were honest, and {I am pleased to have you marching with me} in the campaign. For I have not found any wrong in you from the day you came to me until this day, but in the eyes of the rulers, you [are] not good.

Ezekiel 17:13

And he took from the seed of the kingship, and he made with him a covenant, and {he brought him under oath}, and he took the rulers of the land,

Ezekiel 17:16

{As I live},' {declares} the Lord Yahweh, '{surely} in the place of the king {who made} him king, who despised his oath and who broke his covenant with him--in the midst of Babylon he will die.

Ezekiel 17:19

Therefore thus says the Lord Yahweh: '{As I live}, {surely} my oath that he despised and my covenant that he broke I will return upon his head.

Treasury of Scripture Knowledge

Summary

And David said to him, Canst thou bring me down to this company? And he said, Swear unto me by God, that thou wilt neither kill me, nor deliver me into the hands of my master, and I will bring thee down to this company.

Nor deliver

Bible References

Nor deliver

Deuteronomy 23:15
"And you shall not hand over a slave to his master who has escaped [and fled] to you from his master.